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Pei Ke

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Preprint Sep 2026

From Topical Relevance to Answerability: Entailment Distillation for Conversational Retrieval

The core of CLEAR is entailment distillation, which transfers answer-passage entailment supervision into a cross-encoder reranker so that the reranker discriminates answer-supporting passages from topical distractors at inference time, without requiring answers.

Shuai Qin, Guo-Jia An, Wei-Kang Guo et al. · 0 citations
#artificial intelligence Preprint Aug 2026

When and What to Teach: Budget-Aware Online Adaptation for Web Agents

A budget-aware framework that systematically orchestrates when and what to teach and integrates a solvability-aware teacher gate to dictate the teacher model and a score-guided turn selection mechanism to decide what informative turns to retain is proposed.

Jian-Wei Zhang, Si-Han Cao, Peng-Cheng Zheng et al. · 0 citations
Book Open access Jul 2026

From Single- to Cross-Document: Benchmarking Multi-Granularity Event Analysis of Large Language Models

MGUE-Bench is introduced, a systematic benchmark for assessing the performance of large language models in multi-granularity event analysis, and extensive experiments on state-of-the-art LLMs and retrieval-augmented generation methods delineate the current capability boundary and identify critical deficiencies, providi...

Tao Wen, Shuai Shao, Pei Ke et al. · 0 citations
Open access Jul 2026

CAT: Confidence-Adaptive Thinking for Efficient Reasoning of Large Reasoning Models

Confidence-Adaptive Thinking (CAT) is proposed, a framework that incorporates the model's intrinsic self-certainty signals as confidence into the preference optimization process, which autonomously modulates reasoning lengths based on problem difficulty.

Qizhi Jiang, Shuoyao Wang, Pei Ke et al. · 0 citations

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